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What does the ^ operator do in Java? - Stack Overflow 7 It is the Bitwise xor operator in java which results 1 for different value of bit (ie 1 ^ 0 = 1) and 0 for same value of bit (ie 0 ^ 0 = 0) when a number is written in binary form ex :- To use your example: The binary representation of 5 is 0101 The binary representation of 4 is 0100
What is the Java ?: operator called and what does it do? Not only in Java, this syntax is available within PHP, Objective-C too In the following link it gives the following explanation, which is quiet good to understand it: A ternary operator is some operation operating on 3 inputs It's a shortcut for an if-else statement, and is also known as a conditional operator In Perl PHP it works as:
What is the point of the diamond operator ( lt; gt;) in Java? @ColinD Java really needn't to deal with backwards compatibility in each single line In any Java source file using generics the old non-generic types should be forbidden (you can always use <?> if interfacing to legacy code) and the useless diamond operator should not exist
What is the difference between == and equals () in Java? In Java, == and the equals method are used for different purposes when comparing objects Here's a brief explanation of the difference between them along with examples:
double colon) operator in Java 8 - Stack Overflow The double colon, i e , the :: operator, was introduced in Java 8 as a method reference A method reference is a form of lambda expression which is used to reference the existing method by its name
in java what does the @ symbol mean? - Stack Overflow In Java Persistence API you use them to map a Java class with database tables For example @Table () Used to map the particular Java class to the date base table @Entity Represents that the class is an entity class Similarly you can use many annotations to map individual columns, generate ids, generate version, relationships etc
and * in Java Comments - Stack Overflow The Java language only supports two types of comments A comment in the form of ** * is just a regular multiline comment, and the first character inside it happens to be an asterisk
Setting JAVA_HOME environment variable in MS Windows JAVA_HOME and PATH are different, I didn't say point JAVA_HOME to the jre bin directory Try making sure that the PATH environment variable includes the jre bin directory For example, type java from the command prompt, does that work?